CPU voltage set as 1.200 V in BIOS, but appears as 1.744 V in CPU-Z

averageman

Prominent
Jul 27, 2017
3
0
510
Hi, I'm new to overclocking and something has been bothering me. I'm currently trying to OC my Pentium G3258 to 4.3 GHz. I changed the core voltage in the BIOS 1.200V, and everything is working fine with benches (prime95 ran for 1h just fine at about 75 Celcius max). However, in CPU-Z, it says that my core voltage is 1.744 V. This voltage is exactly the same as the value of the VCCIN voltage setting in the BIOS, and changing its value to 1.3 V caused the system to fail. From what I read across the Internet, it seems as though a 1.744 voltage is really dangerous for the CPU. Should I worry or is it just some glitch with the software ? Should I try to find the lowest safe VCCIN voltage setting, or is my CPU voltage actually still 1.200 V ?

Config :
CPU : Pentium G3258 OC 4,3 GHz @ 1.200 V
Heatsink : Intel stock with new thermal paste (applied earlier this week)
Motherboard : MSI H81M-E33
GPU : R7 250
RAM : 8 g DDR3
PSU : 430W bronze+

Here are pictures of the BIOS OC settings and of CPU-Z https://drive.google.com/drive/u/1/folders/0B9IHew8RHzVONzNMZm9lRkgwOGc

Any reply would be much appreciated !
 

averageman

Prominent
Jul 27, 2017
3
0
510
I changed the VCCIN voltage to 1.325 V in the BIOS, and the computer wouldn't even boot up, so I had to clear the CMOS. In HWmonitor, it still says that the VCore voltage is 1.744 V, but the voltages under the processor tab are all normal (max 1.2 V)
 

Xxmlgxx

Honorable
Feb 6, 2014
33
0
10,560
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